Datasheet > FC5754-00VF05GRR

FC5754-00VF05GRR

更新时间： 2024-10-31 01:11:51

品牌	Logo	应用领域
FS		电池
页数	文件大小	规格书
19页	795K
描述
Standalone Linear Li-Ion Battery Charger

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中文翻译

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FC5754-00VF05GRR 数据手册

SEMICONDUCTOR

FC5754

TECHNICAL DATA

Standalone Linear Li-Ion Battery Charger with

Thermal Regulation in SOT-23-5 and E-SOP-8

General Description

Features

The FC5754 is a complete linear charger for single cell

lithium-ion batteries. With small SOT-23-5 package and

few external components, FC5754 is well suited for

portable applications. In addition, the FC5754 is

specifically designed to work within USB power

specifications.



Programmable charge current up to 1A



No MOSFET, sense resistor or blocking diode

required



Complete linear charger both in SOT-23-5 and

E-SOP-8 for single cell Lithium-ion batteries

Typical zero reverse current from battery

Thermal regulation maximizes charge rate

without risk of overheating



No external sense resistor and blocking diode are

required. Charging current can be programmed

externally with a single resistor. The built-in thermal

regulation facilitates charging with maximum power

without risk of overheating.



Charges single cell Li-ion batteries directly from

USB port



Act as a LDO when battery is removed

Preset 4.2V/4.35V charge voltage with ±1%

accuracy

The FC5754 always preconditions the battery with

1/10 of the programmed charge current at the

beginning of a charge cycle, until 40υs after it verifies

that the battery can be fast-charged. The FC5754

automatically terminates the charge cycle when the

charge current drops to 1/10th the programmed value

after the final float voltage is reached.



Automatic recharge

Charge status indicator

C/10 charge termination

45uA shutdown supply current

2.9V trickle charge threshold

Soft-start limits inrush current

RoHS compliant and Pb-free

The FC5754 consumes zero reverse current from the

battery at standby, shutdown and sleep modes. This

feature reduces the charge and discharge cycles on

the battery, further prolonging the battery life. The

FC5754 can also be used as a LDO when battery is

removed. Other features include shutdown mode,

charge current monitor, under voltage lockout,

automatic recharge and status indicator.

Applications



Wireless handsets

Hand-held instruments

Portable information appliances

Bluetooth application

Charging docks and cradles



Typical Application Diagram



Typical Performance Characteristics

Complete Charge Cycle (850mAh Battery)

LDO Mode

(Battery Removed)

580 mA Charger

Time (1000s/DIV)

2014. 11. 04

Revision No : 0

1/19

12 3 4 5 6 7...19

中文翻译

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